From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bill Burns Subject: Re: Creating a domU on x86 crashes dom0 Date: Wed, 24 Aug 2005 10:13:39 -0400 Message-ID: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0604224987==" Return-path: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Mime-version: 1.0 Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: "List: Xen Developers" List-Id: xen-devel@lists.xenproject.org --===============0604224987== Content-Type: multipart/alternative; boundary="----=_Part_1977_24601385.1124892819676" ------=_Part_1977_24601385.1124892819676 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline I am seeing a very similar symptom with restoring a domU that has networking enabled. The kernel BUG netback.c line 349. If I create a domU with no networking I can create/save/restore fine. Here is my stack trace for the restore of the domU with networking: Bill kernel BUG at drivers/xen/netback/netback.c:349 (net_rx_action)! [] net_rx_action+0x46c/0x500 [] br_pass_frame_up_finish+0xf/0x20 [] br_pass_frame_up+0x7c/0x80 [] br_pass_frame_up_finish+0x0/0x20 [] br_handle_frame_finish+0xe7/0x160 [] br_nf_pre_routing_finish+0x178/0x420 [] veth_recv_interrupt+0x1a4/0x610 [egenera_veth] [] nf_iterate+0x5d/0x90 [] br_nf_pre_routing_finish+0x0/0x420 [] br_nf_pre_routing_finish+0x0/0x420 [] nf_hook_slow+0x7e/0x140 [] rt_intern_hash+0x2aa/0x3e0 [] kmem_cache_alloc+0x98/0xb0 [] ip_route_input_mc+0x231/0x2e0 [] nf_iterate+0x5d/0x90 [] nf_iterate+0x5d/0x90 [] kfree_skbmem+0x21/0x30 [] ip_local_deliver+0x110/0x250 [] ip_rcv+0x323/0x4f0 [] ip_rcv_finish+0x0/0x280 [] netif_receive_skb+0x20d/0x260 [] process_backlog+0xbb/0x190 [] tasklet_action+0x72/0x120 [] __do_softirq+0x69/0x100 [] do_softirq+0x85/0xa0 [] irq_exit+0x35/0x40 [] do_IRQ+0x22/0x30 [] evtchn_do_upcall+0x66/0xa0 [] do_IRQ+0x22/0x30 [] hypervisor_callback+0x2c/0x34 [] xen_idle+0x38/0x90 [] cpu_idle+0x35/0x50 [] rest_init+0x23/0x40 [] init+0x0/0x120 [] start_kernel+0x1ba/0x210 [] unknown_bootoption+0x0/0x240 Kernel panic - not syncing: BUG! ------=_Part_1977_24601385.1124892819676 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline
I am seeing a very similar symptom with restoring a domU
that has networking enabled. The kernel BUG netback.c line 349.

If I create a domU with no networking I can create/save/restore fine.

Here is my stack trace for the restore of the domU with networking:

 Bill

kernel BUG at drivers/xen/netback/netback.c:349 (=
net_rx_action)!
 [<c02bd43c>] net_rx_action+0x46c/0x500
 [<c=
0381aff>] br_pass_frame_up_finish+0xf/0x20
 [<c0381b8c>] br_pas=
s_frame_up+0x7c/0x80

 [<c0381af0>] br_pass_frame_up_finish+0x0/0x20
 [<c0381c77&=
gt;] br_handle_frame_finish+0xe7/0x160
 [<c0385e48>] br_nf_pre_rou=
ting_finish+0x178/0x420
 [<e0e432d4>] veth_recv_interrupt+0x1a4/0x=
610 [egenera_veth]

 [<c033dc4d>] nf_iterate+0x5d/0x90
 [<c0385cd0>] br_nf_p=
re_routing_finish+0x0/0x420
 [<c0385cd0>] br_nf_pre_routing_finish=
+0x0/0x420
 [<c033e0ae>] nf_hook_slow+0x7e/0x140
 [<c034336a=
>] rt_intern_hash+0x2aa/0x3e0

 [<c014d598>] kmem_cache_alloc+0x98/0xb0
 [<c0344891>] i=
p_route_input_mc+0x231/0x2e0
  [<c033dc4d>] nf_iterate+0x5d/0x90 [<c033dc4d>] nf_iterate+0x5d/0x90
 [<c032b981>] kfree_skb=
mem+0x21/0x30

 [<c03471a0>] ip_local_deliver+0x110/0x250
 [<c0347793>]=
 ip_rcv+0x323/0x4f0
 [<c0347960>] ip_rcv_finish+0x0/0x280
 [<=
;c033280d>] netif_receive_skb+0x20d/0x260
 [<c033291b>] process=
_backlog+0xbb/0x190

 [<c0125cb2>] tasklet_action+0x72/0x120
 [<c01257f9>] __=
do_softirq+0x69/0x100
 [<c0125915>] do_softirq+0x85/0xa0
 [<=
c01259f5>] irq_exit+0x35/0x40
 [<c010e7c2>] do_IRQ+0x22/0x30

 [<c01055c6>] evtchn_do_upcall+0x66/0xa0
 [<c010e7c2>] d=
o_IRQ+0x22/0x30
 [<c0109df8>] hypervisor_callback+0x2c/0x34
 [&=
lt;c01077b8>] xen_idle+0x38/0x90
 [<c0107845>] cpu_idle+0x35/0x=
50

 [<c0104023>] rest_init+0x23/0x40
 [<c0104080>] init+0x0=
/0x120
 [<c044e8da>] start_kernel+0x1ba/0x210
 [<c044e390>=
;] unknown_bootoption+0x0/0x240
Kernel panic - not syncing: BUG!
------=_Part_1977_24601385.1124892819676-- --===============0604224987== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel --===============0604224987==--